diff -u b/project_issue.module b/project_issue.module
--- b/project_issue.module
+++ b/project_issue.module
@@ -171,16 +171,6 @@
     );
   }
 
-  // Outputs JSON for "Issue tags" taxonomy autocomplete suggestions.
-  // Original path "taxonomy/autocomplete/%/%" still works from taxonomy.module.
-  // This affects only "taxonomy/autocomplete/taxonomy_vocabulary_9" to add sorting.
-  $items['taxonomy/autocomplete/taxonomy_vocabulary_9'] = array(
-    'title' => 'Issue tags Autocomplete',
-    'page callback' => 'project_issue_issue_tag_autocomplete',
-    'access arguments' => array('access content'),
-    'type' => MENU_CALLBACK,
-  );
-
   return $items;
 }
 
@@ -202,6 +192,16 @@
     $items['node/add/' . $type_url_str]['file'] = 'issue_node_add.inc';
     $items['node/add/' . $type_url_str]['file path'] = drupal_get_path('module', 'project_issue') . '/includes';
   }
+  foreach (taxonomy_get_vocabularies() as $vid => $vocabulary) {
+    if (variable_get('project_issue_taxonomy_vocabulary_issue_queue_' . $vid, 0) === 'autocomplete') {
+      $items['taxonomy/autocomplete/taxonomy_vocabulary_'.$vid] = array(
+        'title' => 'Issue tags Autocomplete',
+        'page callback' => 'project_issue_issue_tag_autocomplete',
+        'access arguments' => array('access content'),
+        'type' => MENU_CALLBACK,
+      );
+    }
+  }
 }
 
 /**